package main

import "fmt"

func main() {

	//for i := 1; i < 10; i++ {
	//	for j := 1; j <= i; j++ {
	//		fmt.Printf("%d X %d = %d ", i, j, i*j)
	//	}
	//	fmt.Println()
	//}

	s1 := []string{"go", "python"}
	s2 := []string{"php", "java", "c"}
	//s1 = append(s1, s2...)
	s1 = append(s1, s2[1:]...)
	fmt.Println("s1 = ", s1)

	score := 65
	switch score {
	case 50, 60, 70:
		fmt.Println("A")
	default:
		fmt.Println("C")
	}
}
